De La Salle High School football coach Bob Ladouceur is retiring after 34 years, ending a run that included a national-record 151-game winning...

CONCORD, Calif. — De La Salle High School football coach Bob Ladouceur is retiring after 34 years, ending a run that included a national-record 151-game winning streak from 1992 to 2003 and 20 unbeaten seasons.

De La Salle’s streak was ended by Bellevue High School.

Ladouceur said Friday it was just “a good time” to step down. Assistant Justin Alumbaugh will take over as the Spartans’ head coach.

Ladouceur, 58, leaves with a 399-25-3 record, five state championships and 28 North Coast titles. De La Salle also finished No. 1 in various national rankings at least seven times.

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The school won its fourth straight CIF State Open Division Championship. The program hasn’t lost to a Northern California team since 1991.